we are a prominent manufacturer, exporter, supplier and trader of Pyridinium-p-toluenesulfonate. Pyridinium p-toluenesulfonate is a salt of pyridine and p-toluenesulfonic acid. often called ppts, pyridinium p-toluenesulfonate appears a colorless solid. specifications cas no. :[24057-28-1]molecular formula : c12h13no3smol. Wt. (gmole) :